ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,723,120, issued on Sept. 1, was assigned to UNIMATEC Co. LTD. (Tokyo).
"Crosslinkable acrylic rubber composition" was invented by Satoru Saito (Ibaraki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A crosslinkable acrylic rubber composition containing: (A) acrylic rubber containing a carbamic acid ester group and a carboxyl group; (B) a phenothiazine-based antioxidant represented by formula [I], wherein R3 is a hydrogen atom, a monovalent aliphatic hydrocarbon group having 1 to 20 carbon atoms, an aralkyl group having 7 to 20 carbon atoms, or an acyl group represented by formula II, wherein R4 is a monovalent aliphatic hydrocarbon group having 1...